<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app-2">
        <span v-bind:title="message">
            <!-- v-属性 将自动绑定data信息 -->
          鼠标悬停几秒钟查看此处动态绑定的提示信息！
        </span>
    </div>

    <script src="./vue.js"></script>
</body>
</html>